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The RPL (IPv6 Routing Protocol for Low-Power and Lossy Networks) protocol is essential for efficient communication within the Internet of Things (IoT) ecosystem. Despite its significance, RPL’s susceptibility to attacks remains a concern. This paper presents a comprehensive simulation-based analysis of the RPL protocol’s vulnerability to the decreased rank attack in both static and mobile network environments. We employ the Random Direction Mobility Model (RDM) for mobile scenarios within the Cooja simulator. Our systematic evaluation focuses on critical performance metrics, including Packet Delivery Ratio (PDR), Average End to End Delay (AE2ED), throughput, Expected Transmission Count (ETX), and Average Power Consumption (APC). Our findings illuminate the disruptive impact of this attack on the routing hierarchy, resulting in decreased PDR and throughput, increased AE2ED, ETX, and APC. These results underscore the urgent need for robust security measures to protect RPL-based IoT networks. Furthermore, our study emphasizes the exacerbated impact of the attack in mobile scenarios, highlighting the evolving security requirements of IoT networks.

RPL-Based IoT Networks under Decreased Rank Attack: Performance Analysis in Static and Mobile Environments